Show correct print preview

Modify print preview according to settings from print dialog.
Similar approach as during real print is applied to the preview
process (#592582).
This commit is contained in:
Marek Kasik 2009-10-26 17:47:37 +01:00
parent 567b23229f
commit 6b5912a213
3 changed files with 117 additions and 72 deletions

View File

@ -207,7 +207,7 @@ _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
gchar *cmd;
gchar *preview_cmd;
GtkSettings *settings;
GtkPrintSettings *print_settings;
GtkPrintSettings *print_settings = NULL;
GtkPageSetup *page_setup;
GKeyFile *key_file = NULL;
gchar *data = NULL;
@ -235,8 +235,28 @@ _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
key_file = g_key_file_new ();
print_settings = gtk_print_operation_get_print_settings (op);
gtk_print_settings_to_key_file (print_settings, key_file, NULL);
print_settings = gtk_print_settings_copy (gtk_print_operation_get_print_settings (op));
if (print_settings != NULL)
{
gtk_print_settings_set_reverse (print_settings, FALSE);
gtk_print_settings_set_page_set (print_settings, GTK_PAGE_SET_ALL);
gtk_print_settings_set_scale (print_settings, 1.0);
gtk_print_settings_set_number_up (print_settings, 1);
gtk_print_settings_set_number_up_layout (print_settings, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
/* These removals are neccessary because cups-* settings have higher priority
* than normal settings.
*/
gtk_print_settings_unset (print_settings, "cups-reverse");
gtk_print_settings_unset (print_settings, "cups-page-set");
gtk_print_settings_unset (print_settings, "cups-scale");
gtk_print_settings_unset (print_settings, "cups-number-up");
gtk_print_settings_unset (print_settings, "cups-number-up-layout");
gtk_print_settings_to_key_file (print_settings, key_file, NULL);
g_object_unref (print_settings);
}
page_setup = gtk_print_context_get_page_setup (op->priv->print_context);
gtk_page_setup_to_key_file (page_setup, key_file, NULL);

View File

@ -78,11 +78,15 @@ enum
static guint signals[LAST_SIGNAL] = { 0 };
static int job_nr = 0;
typedef struct _PrintPagesData PrintPagesData;
static void preview_iface_init (GtkPrintOperationPreviewIface *iface);
static GtkPageSetup *create_page_setup (GtkPrintOperation *op);
static void common_render_page (GtkPrintOperation *op,
gint page_nr);
static void preview_iface_init (GtkPrintOperationPreviewIface *iface);
static GtkPageSetup *create_page_setup (GtkPrintOperation *op);
static void common_render_page (GtkPrintOperation *op,
gint page_nr);
static void increment_page_sequence (PrintPagesData *data);
static void prepare_data (PrintPagesData *data);
static void clamp_page_ranges (PrintPagesData *data);
G_DEFINE_TYPE_WITH_CODE (GtkPrintOperation, gtk_print_operation, G_TYPE_OBJECT,
@ -260,13 +264,23 @@ preview_start_page (GtkPrintOperation *op,
GtkPrintContext *print_context,
GtkPageSetup *page_setup)
{
g_signal_emit_by_name (op, "got-page-size", print_context, page_setup);
if ((op->priv->manual_number_up < 2) ||
(op->priv->page_position % op->priv->manual_number_up == 0))
g_signal_emit_by_name (op, "got-page-size", print_context, page_setup);
}
static void
preview_end_page (GtkPrintOperation *op,
GtkPrintContext *print_context)
{
cairo_t *cr;
cr = gtk_print_context_get_cairo_context (print_context);
if ((op->priv->manual_number_up < 2) ||
((op->priv->page_position + 1) % op->priv->manual_number_up == 0) ||
(op->priv->page_position == op->priv->nr_of_pages_to_print - 1))
cairo_show_page (cr);
}
static void
@ -411,6 +425,31 @@ gtk_print_operation_get_property (GObject *object,
}
}
struct _PrintPagesData
{
GtkPrintOperation *op;
gint uncollated_copies;
gint collated_copies;
gint uncollated, collated, total;
gint range, num_ranges;
GtkPageRange *ranges;
GtkPageRange one_range;
gint page;
gint sheet;
gint first_position, last_position;
gint first_sheet;
gint num_of_sheets;
gint *pages;
GtkWidget *progress;
gboolean initialized;
gboolean is_preview;
gboolean done;
};
typedef struct
{
GtkPrintOperationPreview *preview;
@ -418,8 +457,8 @@ typedef struct
GtkWindow *parent;
cairo_surface_t *surface;
gchar *filename;
guint page_nr;
gboolean wait;
PrintPagesData *pages_data;
} PreviewOp;
static void
@ -441,6 +480,10 @@ preview_print_idle_done (gpointer data)
gtk_print_operation_preview_end_preview (pop->preview);
g_object_unref (pop->pages_data->op);
g_free (pop->pages_data->pages);
g_free (pop->pages_data);
g_object_unref (op);
g_free (pop);
}
@ -450,9 +493,8 @@ preview_print_idle (gpointer data)
{
PreviewOp *pop;
GtkPrintOperation *op;
gboolean retval = TRUE;
cairo_t *cr;
GtkPrintOperationPrivate *priv;
gboolean done = FALSE;
pop = (PreviewOp *) data;
op = GTK_PRINT_OPERATION (pop->preview);
@ -461,24 +503,23 @@ preview_print_idle (gpointer data)
if (priv->page_drawing_state == GTK_PAGE_DRAWING_STATE_READY)
{
/* TODO: print out sheets not pages and follow ranges */
if (pop->page_nr >= op->priv->nr_of_pages)
retval = FALSE;
if (pop->page_nr > 0)
if (!pop->pages_data->initialized)
{
cr = gtk_print_context_get_cairo_context (pop->print_context);
_gtk_print_operation_platform_backend_preview_end_page (op, pop->surface, cr);
pop->pages_data->initialized = TRUE;
prepare_data (pop->pages_data);
}
if (retval)
else
{
gtk_print_operation_preview_render_page (pop->preview, pop->page_nr);
pop->page_nr++;
increment_page_sequence (pop->pages_data);
if (!pop->pages_data->done)
gtk_print_operation_preview_render_page (pop->preview, pop->pages_data->page);
else
done = priv->page_drawing_state == GTK_PAGE_DRAWING_STATE_READY;
}
}
return retval;
return !done;
}
static void
@ -502,7 +543,6 @@ preview_ready (GtkPrintOperationPreview *preview,
GtkPrintContext *context,
PreviewOp *pop)
{
pop->page_nr = 0;
pop->print_context = context;
g_object_ref (preview);
@ -529,6 +569,9 @@ gtk_print_operation_preview_handler (GtkPrintOperation *op,
pop->filename = NULL;
pop->preview = preview;
pop->parent = parent;
pop->pages_data = g_new0 (PrintPagesData, 1);
pop->pages_data->op = g_object_ref (GTK_PRINT_OPERATION (preview));
pop->pages_data->is_preview = TRUE;
page_setup = gtk_print_context_get_page_setup (context);
@ -2026,30 +2069,6 @@ run_pdf (GtkPrintOperation *op,
return GTK_PRINT_OPERATION_RESULT_APPLY;
}
typedef struct
{
GtkPrintOperation *op;
gint uncollated_copies;
gint collated_copies;
gint uncollated, collated, total;
gint range, num_ranges;
GtkPageRange *ranges;
GtkPageRange one_range;
gint page;
gint sheet;
gint first_position, last_position;
gint first_sheet;
gint num_of_sheets;
gint *pages;
GtkWidget *progress;
gboolean initialized;
gboolean is_preview;
gboolean done;
} PrintPagesData;
static void
clamp_page_ranges (PrintPagesData *data)
@ -2127,7 +2146,8 @@ increment_page_sequence (PrintPagesData *data)
inc = 1;
/* changing sheet */
if ((priv->page_position + 1) % priv->manual_number_up == 0 ||
if (priv->manual_number_up < 2 ||
(priv->page_position + 1) % priv->manual_number_up == 0 ||
priv->page_position == data->last_position ||
priv->page_position == priv->nr_of_pages_to_print - 1)
{
@ -2583,27 +2603,27 @@ prepare_data (PrintPagesData *data)
priv = data->op->priv;
if (priv->manual_collation)
{
data->uncollated_copies = priv->manual_num_copies;
data->collated_copies = 1;
}
else
{
data->uncollated_copies = 1;
data->collated_copies = priv->manual_num_copies;
}
if (!data->initialized)
{
data->initialized = TRUE;
page_setup = create_page_setup (data->op);
_gtk_print_context_set_page_setup (priv->print_context,
page_setup);
page_setup);
g_object_unref (page_setup);
g_signal_emit (data->op, signals[BEGIN_PRINT], 0, priv->print_context);
if (priv->manual_collation)
{
data->uncollated_copies = priv->manual_num_copies;
data->collated_copies = 1;
}
else
{
data->uncollated_copies = 1;
data->collated_copies = priv->manual_num_copies;
}
return;
}
@ -2674,10 +2694,15 @@ prepare_data (PrintPagesData *data)
data->collated = 0;
data->uncollated = 0;
if (priv->nr_of_pages_to_print % priv->manual_number_up == 0)
data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up;
if (priv->manual_number_up > 1)
{
if (priv->nr_of_pages_to_print % priv->manual_number_up == 0)
data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up;
else
data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up + 1;
}
else
data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up + 1;
data->num_of_sheets = priv->nr_of_pages_to_print;
if (priv->manual_reverse)
{
@ -2910,12 +2935,12 @@ print_pages (GtkPrintOperation *op,
&priv->num_page_ranges);
priv->manual_num_copies = 1;
priv->manual_collation = FALSE;
priv->manual_reverse = FALSE;
priv->manual_page_set = GTK_PAGE_SET_ALL;
priv->manual_scale = 1.0;
priv->manual_orientation = TRUE;
priv->manual_number_up = 1;
priv->manual_number_up_layout = GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM;
priv->manual_reverse = gtk_print_settings_get_reverse (priv->print_settings);
priv->manual_page_set = gtk_print_settings_get_page_set (priv->print_settings);
priv->manual_scale = gtk_print_settings_get_scale (priv->print_settings) / 100.0;
priv->manual_orientation = gtk_page_setup_get_orientation (priv->default_page_setup);
priv->manual_number_up = gtk_print_settings_get_number_up (priv->print_settings);
priv->manual_number_up_layout = gtk_print_settings_get_number_up_layout (priv->print_settings);
}
priv->print_pages_idle_id = gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE + 10,

View File

@ -1152,7 +1152,7 @@ gtk_print_settings_set_n_copies (GtkPrintSettings *settings,
gint
gtk_print_settings_get_number_up (GtkPrintSettings *settings)
{
return gtk_print_settings_get_int (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
return gtk_print_settings_get_int_with_default (settings, GTK_PRINT_SETTINGS_NUMBER_UP, 1);
}
/**